You sled down a hill of 45-m vertical height the combined
You sled down a hill of 45-m vertical height. The combined mass of you and your sled is 130kg. You start from rest at the top of the hill and have a speed of 8 m/s at the bottom. How much work was doen against friction during your decent?
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You sled down a hill of 45-m vertical height. The combined mass of you and your sled is 130kg. How much work was doen against friction during your decent
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